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| Q.48 | A DC 2-wire feeder supplies a constant load with a sending-end voltage of 220 V. Calculate the saving in copper if this voltage is doubled with power transmitted remaining the same. | |
| Ans | 1. 50% | |
| 2. 75% | ||
| 3. 25% | ||
| 4. 100% |
Correct Ans: 1
